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Significance of 20th May:



Every year on May 20, International HR Day is observed to recognise and honour the achievements of HR professionals around the world.


The UN designated 20 May as World Bee Day. The goal is to strengthen measures aimed at protecting bees and other pollinators.


World Metrology Day (WMD) is celebrated annually on May 20th. In 2025, it marked the 150th anniversary of the signing of the Metre Convention, a milestone in the history of international measurement standards. The day aims to raise awareness about the importance of measurement science and its impact on various aspects of life, including science, technology, and global trade.


1489- Portuguese explorer Vasco da Gama discovers the sea route to India when he arrives at Kozhikode (previously known as Calicut), India.

1570- Cartographer Abraham Ortelius issues Theatrum Orbis Terrarum, the first modern atlas.

1875- Signing of the Metre Convention by 17 nations leading to the establishment of the International System of Units.

1891- The first public display of Thomas Edison's prototype kinetoscope.

1956- In Operation Redwing, the first United States airborne hydrogen bomb is dropped over Bikini Atoll in the Pacific Ocean.

2011- Mamata Banerjee is sworn in as the Chief Minister of West Bengal, the first woman to hold this post.

2019- The International System of Units (SI): The base units are redefined, making the international prototype of the kilogram obsolete.



Famous people who had responded birthdays on this day:

1885- Narayan Maharaj was a Hindu Indian spiritual master considered by his followers to be a sadguru.

1974- Shiboprosad Mukherjee is an Indian film director, writer and actor.

1989- Vishnu Vijay is an Indian music composer and a prolific flautist who works predominantly in Malayalam cinema.

1998- Sandhiya Ranganathan is an Indian professional footballer who plays as a forward for East Bengal in the Indian Women's League and the India women's national team.



Famous people who have death anniversaries on this day:

1932- Bipin Chandra Pal was an Indian nationalist, writer, orator, social reformer and Indian independence movement freedom fighter. He was one third of the "Lal Bal Pal" triumvirate.

1947- Parymohan Sengupta was an Indian Bengali poet, essayist and children's writer.

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